Preventive / Breakdown maintenance of ESP and AFGCS of all three Units of 3X210 M.W., ATPS, Anpara.

Amount

Daily routine maintenance work of E.S.P. in all three units during day in general shifts.

Up keeping of the divisional office.

Cleaning of complete structure, electrodes, insulator bushing and shock bars of all the fields including hoppers of ESP by wire brush, compressed air by opening hopper side & top manholes

Cleaning of complete structure, electrodes, insulator bushing and shock bars of one field & connected two Nos hoppers of ESP by wire brush, compressed air by opening hopper side & top manholes.

Cleaning of complete two Nos hoppers of one field of ESP.

Replacement of damaged Motor gear of rapping system

Repairing of damaged rapping gear box.

Servicing of rapping gear box coupling bearing block

Straightening of bent collecting electrodes

Removal & fixing the collecting electrodes

Repairing of bend collecting electrodes in ESP in fixed condition

Removal of damaged emitting electrodes and fixing of same

Servicing / repair / replacement of rapping hammer

Repair / replacement of bent shock bar

Repairing/Straightening of rapping shaft

Repair / fixing and welding of ash deflector plate

Two coat of continuous run of welding on ESP ash hopper, ESP roof, other places in ESP

Fabrication and erection of new deflector plates in ash hopper

Inspection and checking of fields and removal of minor defects

Replacement of asbestos rope of ESP top manholes

Replacement of asbestos rope of ESP side manholes

Replacement of asbestos rope of ESP hopper manholes

Fixing of collecting electrodes with new clamp by welding

Straightening/replacement of guide bar of collecting structure.

Replacement of damaged shaft insulator by new one

Replacement of the damaged support insulator by new or replacement of sealing asbestos rope of size φ 20 mm & 10 /8mm

Repair of support insulator screen pipe of ESP

Alignment of distorted emitting structure

Repairing/Replacement of plain bearing by new one if required

Repair / replacement of shock bar guides, front, rear and support hook by welding and grinding wherever required

Servicing/repair of chain pully block of capacity 03 Ton

Repair / replacement of coupling of reduction gear box of emitting / collecting rapping system

Replacement of rapping shaft

Replacement of bushing insulator

Replacement of primary / secondary screen.

Welding of emitting support pipe with emitting frame.

Repairing or emitting frame by patch welding.

Replacement of damaged bracing pipe/support at ESP inlet.

Replacement / repair or vertical stay of emitting frame of ESP

Repairing of man hole by replacing the damaged plate portion with new one

Repairing of hammer of emitting / collecting rapping mechanism.

Repairing of shock bar

Repairing of shaft insulator

Fixing of asbestos/ corrugated sheet of roof of ESP

Shorting out different type of scrap and loading and transportation of the same from site store to central store and unloading the same including weighing on weighing machine

Erection / repair of grating at different elevation of ESP and other places

Fabrication and erection of steel structure work vize chute, plate form stair at ESP

Repairing / replacement of plate-form railing at ESP side.

Operation & running maintenance of ammonia flue gas conditioning system.

Attending leakage of welding joint up to 25 NB of ammonia flue gas conditioning system.

Attending leakage of welding joint above 26 NB up to 40 NB of amonia flue gas conditioning system.

Attending leakage of welding joint above 41 NB up to 100 NB of ammonia flue gas conditioning system.

Replacement of niddle valve of 15NB of ammonia flue gas conditioning system.

Servicing/Repacement of valve above 16 NB up to 40 NB of amlonia flue gas conditioning system.

Servicing/Replacement of valve/NRV above 41 NB up to 100 NB of ammonia flue gas conditioning system.

Cleaning/replacement/refitting of nozzles of ammonia flue gas conditioning system.

Replacement of bent/Tee of ammonia flue gas conditioning system.

Replacement of shield of diffuser pipes of ammonia flue gas conditioning system.

M/S SURYA CONSTRUCTION COMPANY (BID ID -5518453)

INDIA ENGINEERING WORKS (BID ID -5518758)